Microsoft Windows Workflow Foundation 4.0 Cookbook

Microsoft Windows Workflow Foundation 4.0 Cookbook

By : Andrew Zhu

Buy this Book

Microsoft Windows Workflow Foundation 4.0 Cookbook

By: Andrew Zhu

Buy this Book

Overview of this book

Windows Workflow Foundation 4.0 (WF) is a significant part of .NET Framework 4.0. WF makes workflow technology available to every single programmer that uses the .NET Framework 4.0. It is easy to create long running and distributed programs using WF with the right knowledge. With this book, you will discover that working with workflows is easy. This book provides both step-by-step recipes and relevant background information. It covers all the important aspects of Windows Workflow Foundation 4.0. The best thing about this book is that all recipes are based on real-world experiences of Andrew Zhu. Andrew is a global WF and BizTalk technology support engineer for Microsoft. This book covers everything you need to know, when working with workflows. Get to grips with flow control activities, messaging, and transaction processes with easy to understand steps followed by explanations. You will quickly learn to use collection and custom WF activities and WF services.You will see recipes that illustrate integration of Windows Workflow with other applications such as WPF, ASP.NET, WCF service.Lastly, you will discover how easily you can customize W4 Designer with WF rule engine and others.

Microsoft Windows Workflow Foundation 4.0 Cookbook

Credits

About the Author

About the Reviewers

Foreword

Preface

Free Chapter

Workflow Program

Introduction

Creating the first WF program: HelloWorkflow

Creating a WF program using C# Code

Initializing a WF program using InArguments

Creating a WF program using OutArgument

Creating a WF program using InOutArgument

Using Variable in a WF program

Running a WF program asynchronously

Customizing a MyReadLine activity with Bookmark

Converting a WF program instance to XAML

Loading up a WF program from an XAML file

Testing a WF program with a unit test framework

Debugging a WF program

Built-in Flow Control Activities

Introduction

Using the Foreach activity

A number guessing game in Sequence

A number guessing game using a flowchart

Using the InvokeMethod activity

Using the Switch<T> activity in Sequence workflow

Using the FlowSwitch<T> activity

Using the Parallel activity

Using the ParallelForEach<T> activity

Using the Pick activity

Handling errors

Messaging and Transaction

Introduction

Creating a pure WCF service

Receiving and replying to a WCF message

Receiving and replying to a WCF message in code workflow

Sending and receiving a reply to a WCF message

Sending and receiving a reply to a WCF message in code workflow

Using CancellationScope activity

Performing a transaction by using TransactionScope activity

Performing compensation by using Compensable activity

Performing manual compensation by using Compensate activity

Performing confirmation by using Confirm activity

Manipulating Collections

Introduction

Printing collection items

Using AddToCollection<T> activity

Using ClearCollection<T> activity

Using RemoveFromCollection<T> activity

Using ExistsInCollection<T> activity

Custom Activities

Introduction

Creating an activity by inheriting the root activity

Creating a FileWriter activity

Creating a SendEmail activity

Creating an Input Message activity using Bookmark

Creating an Asynchronous HTTP Get activity

Creating a Composite activity

Creating an Activity Designer for the SendEmail activity

Creating an Activity Designer for theMySquence activity

WF4 Extensions

Introduction

Configuring ETW tracking

Creating FileTrackingParticipant

Configuring the SQL persistence store

Loading a persisted workflow from the database

Using a persistence participant to persist additional data

Using a customized extension

Hosting Workflow Applications

Introduction

Hosting a workflow service in IIS7

Hosting workflow in ASP.NET

Hosting workflow in WPF

Hosting workflow in a Windows Form

Custom Workflow Designer

Introduction

Implementing designer layout

Implementing Toolbox, Workflow Designer, and Property Inspector views

Implementing New Workflow and Load Workflow events

Implementing Save and Save As events

Implementing XAML Workflow Tab and Run events

Implementing visual tracking

Index

Customer Reviews

5 star

4 star

3 star

2 star

1 star

Microsoft Windows Workflow Foundation 4.0 Cookbook

All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, Packt Publishing, nor its dealers or distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

Packt Publishing has endeavored to provide trademark information about all the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

First published: September 2010

Production Reference: 1170910

Published by Packt Publishing Ltd.

32 Lincoln Road

Olton

Birmingham, B27 6PA, UK.

ISBN 978-1-849680-78-3

www.packtpub.com

Cover Image by Tina Negus (<[email protected]>)

Microsoft Windows Workflow Foundation 4.0 Cookbook

By : Andrew Zhu

Microsoft Windows Workflow Foundation 4.0 Cookbook

By: Andrew Zhu

Overview of this book

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Microsoft Windows Workflow Foundation 4.0 Cookbook

Microsoft Windows Workflow Foundation 4.0 Cookbook